Introducing Psychology: A Graphic Guide

by Nigel C. Benson

Psychology is the scientific study of the mind and behaviour of humans and animals.

But the most important thing to remember is that correlation does not show causation. A serious example of this common misunderstanding occurred in Italy. In the early 1980s, there were unexplained deaths where high mortality correlated positively with consumption of olive oil. The government leapt to the conclusion that the oil was poisonous. Later research showed it was tomatoes contaminated by pesticides that caused the deaths…